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首页> 外文会议>4th International Conference on Integrated Design and Manufacturing in Mechanical Engineering - IDMME 2002 May 14-16, 2002 Clermont-Ferrand, France >ADVANCED NUMERICAL SIMULATION OF THE CRIMPING PROCESS OF ELECTRIC CONNECTORS
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ADVANCED NUMERICAL SIMULATION OF THE CRIMPING PROCESS OF ELECTRIC CONNECTORS

机译：电连接器压接过程的高级数值模拟

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摘要

Crimping is a classical technology process to. ensure the electrical and the mechanical link between a wire and a connector. Numerical modelling of the process is helpful to choose and to optimize the dimensions of the crimping part of the connector. In this paper, we discuss a 2D simulation of the crimping process, using implicit and explicit finite element methods (ABAQUS/Standard and ABAQUS/Explicit) and we compare the results with experimental data from the industrial process of crimping (geometry, shape, surfaces and punch force). This non-linear problem involves large elasto-plastic strains and multiple contact conditions, with friction between the strands and the grip. One of the major difficulties of the simulation is due to the definition of all possible contact couples between strands. The explicit method is preferred for the modelling of multi-contact problems, in spite of the quasi-static process of crimping. Thus, some simulations with the implicit method have been performed to compare the results and tune the simulation parameters of the explicit approach (space and time discretization). Subsequently, parametric studies are performed to show the effect of the friction ratio or the position of the strands in the wire.
机译：压接是一个经典的技术过程。确保电线和连接器之间的电气和机械连接。该过程的数值建模有助于选择和优化连接器压接部分的尺寸。在本文中，我们使用隐式和显式有限元方法（ABAQUS / Standard和ABAQUS / Explicit）讨论压接过程的二维模拟，并将结果与​​压接工业过程（几何形状，形状，表面）的实验数据进行比较和冲压力）。这个非线性问题涉及到较大的弹塑性应变和多种接触条件，线与夹具之间存在摩擦。模拟的主要困难之一是由于线之间所有可能的接触偶的定义。尽管存在压接的准静态过程，但显式方法仍可用于多触点问题的建模。因此，已经使用隐式方法进行了一些模拟，以比较结果并调整显式方法的模拟参数（空间和时间离散化）。随后，进行参数研究以显示摩擦比或金属丝中绞线位置的影响。

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